JBL IRX 115S Subwoofer

JBL IRX 115S Subwoofer

The JBL IRX 115S subwoofer is one of the professional subwoofers in JBL's IRX series , notable for its robust design and impressive bass reproduction. This article will help you better understand its technical specifications , sound performance , practical applications , and why the JBL IRX 115S is one of the most worthwhile subwoofers to invest in today.

Introducing Sub JBL IRX 115S

The JBL IRX 115S is a 15-inch subwoofer from JBL 's IRX Series , delivering powerful and deep bass. With a peak power of 1.300W , a maximum sound pressure level of 128 dB , and a low-frequency response of 35Hz – 147Hz , the IRX 115S is an ideal choice for stage sound systems, auditoriums, DJ setups, and live events.

Technical parameters of the product to consider:

• 15″ diameter woofer: 15 inch diameter Helps produce deep and solid bass, suitable for professional sound systems. Large size helps to reproduce low frequencies effectively, reduce distortion and increase sound coverage.
• Maximum sound intensity (MAX SPL) 128 dB: Negative pressure level 128 dB SPL guaranteed powerful sound, suitable for large spaces such as stages, halls, events. Maintains bass detail even at high power levels.
• Response frequency: (-3dB): 45Hz - 103Hz: This is the main operating frequency range of the speaker, ensuring clear and crisp bass. (-10dB): 35Hz - 147Hz: Reproduces extremely low bass, helping to increase the vibration effect for strong music genres such as EDM, hip-hop.
• Wattage: 1,300 W peak ensures high performance in large events, 600 W program power provides stable operation for long periods without overload, 400 W RMS continuous power maintains durability and performance in professional sound environments.
• Input impedance: 100k ohm, balanced: High impedance helps audio signals to be less noisy, compatible with many different audio processing devices.
• Cut-off frequency: 80, 100, 120 Hz: Easily adjustable to optimize sound quality when combined with full-range speakers.
• POLARITY: Normal, inverted (switch on back panel): Allows phase adjustment to synchronize with other speaker systems, avoiding sound cancellation.
• Input Jack: 2 XLR Combo: Compatible with many audio devices, easy to connect to mixer or other speakers.
• Output Jack: 2 XLR (pass through): Helps expand sound systems without the need for signal splitters.
• Speaker box material: 15 mm MDF, 18 mm front plate: Helps the speaker to be sturdy and reduces vibration when operating at high power. Limits unwanted resonance, ensuring accurate and powerful bass.
• Hanging Point: M20 x 2.5P Pole Cup: Support installation on speaker poles, easy to combine with PA systems.
• Weight: 65.3 lb (29.65 kg): Sturdy enough to hold up while still being portable.
• Dimensions (D x W x H): 18.9 x 18.9 x 23.6 in (480 x 480 x 600 mm): Compact design, suitable for many installation spaces.

Outstanding features of JBL IRX 115S Subwoofer

The JBL IRX 115S is more than just an ordinary subwoofer; it's equipped with advanced audio technology, powerful performance, and an optimized design , delivering a superior sound experience. Below are the key features that make the JBL IRX 115S one of the most worthwhile subwoofers to own today:

• Optimized design for high performance: JBL IRX 115S is built with JBL's optimized technology, helping Maximize power while maintaining stable sound quality. Minimalist, modern design but still ensures vibration reduction, increasing the accuracy of the sound.
• Exclusive JBL sound technology: Applying advanced signal processing technology helps noise reduction, bass distortion reduction, delivering clear, crisp sound. High-performance built-in amplifier allows reproduce powerful bass without the need for an external amplifier.
• Flexible integration with audio systems: Easy to combine with JBL IRX Series Speakers, allowing for perfect expansion of the sound system without much configuration modification. The XLR pass-through output allows Connect multiple subwoofers in a chain while still ensuring a stable signal.
• Compact yet durable design: With optimal size and reasonable weight, JBL IRX 115S Easy to transport and install in many different spaces. High-quality materials help protect internal components, ensuring long speaker life even when operating at high capacity for long periods of time.
• Top choice for many uses: Suitable for DJs, bands, outdoor events, halls, or even a high-end home audio system. It meets both professional and semi-professional environment, from live performances to high-quality background music playback.

Detailed review of JBL IRX 115S Karaoke Sub

Compact, sturdy design

The JBL IRX 115S boasts a minimalist yet extremely robust design with a 15mm MDF speaker cabinet and an 18mm front panel , reducing vibrations and minimizing sound distortion at high power levels. Measuring 480 x 480 x 600 mm and weighing 29.65 kg , it's not overly bulky and is easy to install in professional or home karaoke spaces.

Powerful sound performance, solid bass

Equipped with a 15-inch woofer , the JBL IRX 115S reproduces deep, clear bass without muddiness or distortion. With a power rating of 1.300W (peak), 600W (program), and 400W RMS , the speaker operates stably for extended periods without overloading.

With a maximum sound intensity of 128 dB SPL , it's powerful enough to fill a karaoke room, small stage, or home music listening room. The wide frequency response of 35Hz – 147Hz delivers strong, deep bass, enhancing the music listening experience.

Professional features, easy to combine

Supports adjustable crossover frequencies of 80Hz, 100Hz, and 120Hz , optimizing performance when paired with other full-range speakers. The phase inversion mode (Normal/Inverted) helps synchronize sound, preventing bass suppression when multiple speakers are connected.

Equipped with 2 XLR Combo inputs , allowing easy connection to devices such as mixers, amplifiers, and full-range speakers . 2 XLR (pass-through) outputs support expanding the sound system while maintaining signal stability.

Exclusive JBL technology – Clean bass, limited distortion

The JBL IRX 115S is equipped with a high-efficiency Class D amplifier , optimizing power while saving energy, allowing the speaker to operate reliably without overheating. JBL's advanced DSP signal processing technology enhances bass, reduces noise, and minimizes distortion , ensuring consistently crisp and detailed sound. A specially designed venting system reduces wind noise , resulting in cleaner bass without background muddiness when listening to music or singing karaoke.

Applications of JBL IRX 115S Subwoofer

The JBL IRX 115S subwoofer not only boasts powerful performance and deep, solid bass but also features a durable design and flexible connectivity , making it suitable for a variety of applications. Below are some of the outstanding applications of this subwoofer:

• Professional & Home Karaoke System.
• Event Sound System – Hall – Theater.
• Clubs, Bars, DJs & Club Sound Systems.
• Movies & Home Theater Systems.
• Sound System for Churches, Meeting Rooms, Lecture Halls.

Where to buy genuine, high quality JBL IRX 115S Subwoofer in Ho Chi Minh City?

If you are looking for a place to buy genuine and high-quality JBL IRX 115S subwoofers in Ho Chi Minh City, Phuc Truong Audio is a reliable choice.

Phuc Truong Audio specializes in providing genuine audio equipment and karaoke systems, meeting the diverse needs of customers. With over 10 years of experience in the industry, our team possesses high technical skills and constantly updates with the latest technology to deliver optimal audio solutions for users.

At Phuc Truong Audio, you will receive detailed advice on the JBL IRX 115S product , from technical specifications to installation and effective usage. The product is guaranteed genuine, with full warranty, giving you peace of mind regarding quality and after-sales service.

In addition, Phuc Truong Audio also provides many other audio equipment, suitable for home karaoke systems, studios, or professional music events. With the motto "Choosing the leading audio solution", Phuc Truong Audio always strives to bring satisfaction to customers.

Visit Phuc Truong Audio to experience and own the genuine JBL IRX 115S Subwoofer , elevating the sound quality of your space.

Frequently asked questions about JBL IRX 115S Karaoke Sub

What devices can the JBL IRX 115S connect to?

This subwoofer is equipped with 2 XLR Combo inputs and 2 XLR pass-through outputs , allowing easy connection to various audio devices such as mixers , digital processors, karaoke amplifiers , full-range speakers, line array systems, and professional signal processors . Thanks to its easy-to-integrate design , the JBL IRX 115S can be integrated into both simple and professional sound systems, meeting diverse usage needs.

Does this subwoofer need an external amplifier?

Unlike passive subwoofers, the JBL IRX 115S is an active subwoofer with a built-in power amplifier . This means you don't need an external amplifier to power it, saving costs and optimizing installation space. Simply connect the subwoofer to a power source and your audio processing equipment, and you're ready to go.

Does the JBL IRX 115S have adjustable crossover frequency?

Yes, this subwoofer allows users to customize the crossover frequency at three levels: 80Hz, 100Hz, and 120Hz . This makes it easy to adjust and balance the bass with the main speakers (full-range speakers), optimizing sound quality for different spaces and usage needs. If you're using small full-range speakers, you can set the crossover frequency at 120Hz to allow the subwoofer to handle more of the bass frequencies. If the system uses large full-range speakers, you can set the crossover frequency at 80Hz to ensure the full-range speakers and subwoofer work harmoniously.

Is the speaker cabinet material of JBL IRX 115S durable?

The JBL IRX 115S speaker is designed with a 15mm thick MDF enclosure , increasing durability and minimizing unwanted resonance. The front panel is further reinforced with an 18mm MDF panel , providing better structural integrity and optimizing bass performance. This robust design ensures the speaker can operate reliably in various environmental conditions , guaranteeing high stability over extended use.